Finding the Fourth Proportional to 1,943,147,330.57, 2,914,720,902.41 and 544,338,713.45
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Solution
The fourth proportional to 1,943,147,330.57, 2,914,720,902.41 and 544,338,713.45 is: 816,508,043.99
Step by Step Solution
- Step 1: Write the proportion equation
1,943,147,330.57 : 2,914,720,902.41 = 544,338,713.45 : x - Step 2: Convert to fraction form
1,943,147,330.57/2,914,720,902.41 = 544,338,713.45/x - Step 3: Cross multiply
1,943,147,330.57x = 2,914,720,902.41 × 544,338,713.45 - Step 4: Simplify right side
1,943,147,330.57x = 1,586,595,426,066,387,456 - Step 5: Solve for x
x = 1,586,595,426,066,387,456/1,943,147,330.57 - Step 6: Final answer
x = 816,508,043.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.